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Finding the Fourth Proportional to 46,503.20, 69,819.60 and 29,007.20

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Solution

The fourth proportional to 46,503.20, 69,819.60 and 29,007.20 is: 43,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,503.20 : 69,819.60 = 29,007.20 : x
  2. Step 2: Convert to fraction form
    46,503.20/69,819.60 = 29,007.20/x
  3. Step 3: Cross multiply
    46,503.20x = 69,819.60 × 29,007.20
  4. Step 4: Simplify right side
    46,503.20x = 2,025,271,101.12
  5. Step 5: Solve for x
    x = 2,025,271,101.12/46,503.20
  6. Step 6: Final answer
    x = 43,551.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.